1388739488

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{73681}}^1$

素因数の和:73741

約数の個数: 48

約数和(自身を含む): 2970858240

約数和(自身を除く): 1582118752

約数列:

[1, 2, 4, 8, 16, 19, 31, 32, 38, 62, 76, 124, 152, 248, 304, 496, 589, 608, 992, 1178, 2356, 4712, 9424, 18848, 73681, 147362, 294724, 589448, 1178896, 1399939, 2284111, 2357792, 2799878, 4568222, 5599756, 9136444, 11199512, 18272888, 22399024, 36545776, 43398109, 44798048, 73091552, 86796218, 173592436, 347184872, 694369744, 1388739488]

約数ペア:

[(1, 1388739488), (2, 694369744), (4, 347184872), (8, 173592436), (16, 86796218), (19, 73091552), (31, 44798048), (32, 43398109), (38, 36545776), (62, 22399024), (76, 18272888), (124, 11199512), (152, 9136444), (248, 5599756), (304, 4568222), (496, 2799878), (589, 2357792), (608, 2284111), (992, 1399939), (1178, 1178896), (2356, 589448), (4712, 294724), (9424, 147362), (18848, 73681)]